SN4 ""

No	Pattern	Freq
1	[vb pp] at night	133
2	[v-ing] at night	86
3	sleep at night	73
4	[vb base] at night	61
5	[vb infin] at night	61
6	[vb past] at night	54
7	[to-vb] at night	50
8	sleep at night	37
9	[vb -s] at night	27
10	work at night	24
11	to sleep at night	16
12	do at night	12
13	come at night	11
14	sleeping at night	10
15	go at night	10
16	see at night	10
17	occur at night	9
18	use at night	9
19	fly at night	9
20	to work at night	8
21	happen at night	8
22	came at night	7
23	lock at night	7
24	used at night	7
25	made at night	6
26	make at night	6
27	close at night	6
28	leave at night	6
29	locked at night	6
30	work at night	6